超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
超单元组合—超单元—单元划分
divition of “super unit combine—super unit—unit
多口径辐射单元
multiple-aperture radiation element
辐射单元安装
assembly of radiating elements
阵列辐射单元
cylindrical microstrip cell
arrayed radiation elements
靶场单元技术
Primary technology of target area
带寄生单元单极子天线
monopole antenna with parasitic elements
单模辐射场
single mode radiation field
单模热辐射场
single-mode thermal radiation field
单能中子参考辐射场
monoenergetic neutron reference radiation field
辐射单位总数
Minimum distance in metres from living
光发射单元
Optical Transmit Unit OIU
国际辐射单位与度量委员会
acquistin and analysis system